Structure and Assembly/Disassembly 7-23
Figure 7-31 Disassembly of the Trackball
7.4.6.3 TGC Board
1. Draw out the 8 knobs upwards fixed on the TGC board on the control panel assembly.
Figure 7-32 Disassembly of the TGC Board (1)
2. After removing the connecting cable plug of TGC board and removing screws PT3X10 (4)
fixed on the TGC board, you could remove the TGC board.
Figure 7-33 Disassembly of the TGC Board (2)
7.4.6.4 Buzzer
After removing the connecting cable plug of buzzer on the control panel and taking out the
buzzer fixing screw PT2X8 (2), you could remove the buzzer.